| // RUN: %clang_cc1 -std=c++17 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s |
| |
| int a[1]; |
| // CHECK: @a = global [1 x i32] zeroinitializer |
| template <int> |
| void test_transform() { |
| auto [b] = a; |
| } |
| void (*d)(){test_transform<0>}; |
| // CHECK-LABEL: define {{.*}} @_Z14test_transformILi0EEvv |
| // CHECK: [[ENTRY:.*]]: |
| // CHECK-NEXT: [[ARR:%.*]] = alloca [1 x i32] |
| // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* [[ARR]], i64 0, i64 0 |
| // CHECK-NEXT: br label %[[BODY:.*]] |
| // CHECK-EMPTY: |
| // CHECK-NEXT: [[BODY]]: |
| // CHECK-NEXT: [[CUR:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[NEXT:%.*]], %[[BODY]] ] |
| // CHECK-NEXT: [[DEST:%.*]] = getelementptr inbounds i32, i32* [[BEGIN]], i64 [[CUR]] |
| // CHECK-NEXT: [[SRC:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* @a, i64 0, i64 [[CUR]] |
| // CHECK-NEXT: [[X:%.*]] = load i32, i32* [[SRC]] |
| // CHECK-NEXT: store i32 [[X]], i32* [[DEST]] |
| // CHECK-NEXT: [[NEXT]] = add nuw i64 [[CUR]], 1 |
| // CHECK-NEXT: [[EQ:%.*]] = icmp eq i64 [[NEXT]], 1 |
| // CHECK-NEXT: br i1 [[EQ]], label %[[FIN:.*]], label %[[BODY]] |
| // CHECK-EMPTY: |
| // CHECK-NEXT: [[FIN]]: |
| // CHECK-NEXT: ret void |
